Bunn dual sh dbc Specifications download pdf (Page 37)

Page 37

29877 022509

TROUBLESHOOTING

A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems

encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic

Technical Service Department.

• Inspection, testing, and repair of electrical equipment should be performed only by qualied

service personnel.

• All electronic components have 120 - 240 volt ac and low voltage dc potential on their terminals.

Shorting of terminals or the application of external voltages may result in board failure.

• Intermittent operation of electronic circuit boards is unlikely. Board failure will normally be per-

manent. If an intermittent condition is encountered, the cause will likely be a switch contact or

a loose connection at a terminal or crimp.

• Solenoid removal requires interrupting the water supply to the valve. Damage may result if sole-

noids are energized for more than ten minutes without a supply of water.

• The use of two wrenches is recommended whenever plumbing ttings are tightened or loosened.

This will help avoid twists and kinks in the tubing.

• Make certain that all plumbing connections are sealed and electrical connections tight and iso-

lated.

• This brewer is heated at all times. Keep away from combustibles.

WARNING

• Exercise extreme caution when servicing electrical equipment.

• Disconnect the brewer from the power source when servicing, except when electrical tests are

speciﬁed.

• Follow recommended service procedures.

• Replace all protective shields or safety notices.

Screen Displayed

Possible Cause

Troubleshooting Procedures

1. Overﬂow cup is full of water.

1. Soft Heat Server not correctly

positioned on base.

2. Not using a Soft Heat Server, and

the SERVER DETECT function is

activated (on).

Empty cup

Position the server so that the con-

nector pins on the server make con-

tact with connector on the brewer.

Disable the SERVER DETECT func-

tion. See page 33 for procedure.

OVERFLOW CUP

FULL. EMPTY CUP

SERVER NOT

IN PLACE

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